Attwood presents the most energy
efficient LED navigational lights in the world. Through the use of proprietary
optical design techniques, we've optimized our lens design to harness nearly 90%
of all light being generated by the LED. In doing so, our line of 3500 and 5500
series navigational lights exceed US Coast Guard requirements with the fewest
and lowest watt LEDs of any navigational light manufactured today. Less energy
used by navigational lighting means more energy available for powering your boat
and enjoying time on the water.

Designed to resist corrosion in even the most extreme saltwater
environments